[S90] Lafayette County Historical Society, Continuing the History of Lafayette County, (Higginsville, Missouri: Lafayette County Historical Society, 2002), volume 2, page 649.
Biographical sketch of the "Herman and Amanda Riekhof Family," submitted by Grace Schemmer. Fritz and Anna (Nieman) Hasenjaeger, parents of Amanda W. Charletta Hasenjaeger. A marriage is implied.